物理学 (II)

wards. We have already examined the nature af ἡ movement’ (in its extended sense, including ‘ modification’ and ‘expansion or contraction’) and have now to note that ὁ shape’ and “‘ state’ and ‘ place’ are the ‘ whence’ and ‘whither’ of change, but are immovable in themselves It is important, however, to note that these immovable points of starting and arriving are just as subject to the distinctions of ‘incidental,’ ‘in virtue of a part,’ and ‘primary and integral,’ as the movements are (Ὁ 16-22). Summary (Ὁ 22-26). Dismissing the indeterminate incidental cases and confining ourselves to proper and primary ὁ changes,’ we note that they ‘reside solely in the primary and integral subject that experiences the change, and must be in the direction From one opposite to the other, both opposites being declared in positive (not negative) terms (Ὁ 26-35). This last point must be elaborated. To speak of the ‘ nathot’ as the primary and integral ἡ subject’ that undergoes the change would be idle. For ‘ knowledge,’ or ‘ sound’ or ‘angularity’ are ‘not-hot’; and though “ not-hotness’ may incidentally undergo change when any of these things Ἷ ARGUMENT (contenued) Ἷ ARGUMENT (contenued) do, it cannot be the proper and integral subject of the change. Taking the“ subject,’ then, to be a positive and not a negative, though the predicate may be a negative, we seem to have three possibilities. The change (for instance) might be from ‘ hot to cold,’ from ‘ hot to not-hot,’ or from ‘ not-hot to hot,’ or JSrom ‘ not-hot to not-cold.’ Obviously the last of these falls out, for it would include such changes as that from ‘ treble to triangular ’ (Ὁ 35-225 a 12).…